@article{MZM_2019_105_3_a1,
     author = {V. Yu. Bereznyuk},
     title = {Asphericity of {Groups} {Defined} by {Graphs}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {332--348},
     publisher = {mathdoc},
     volume = {105},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2019_105_3_a1/}
}